51282943 has 2 divisors, whose sum is σ = 51282944. Its totient is φ = 51282942.

The previous prime is 51282901. The next prime is 51282953. The reversal of 51282943 is 34928215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51282943 - 2²¹ = 49185791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51282899 and 51282908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51282953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25641471 + 25641472.

It is an arithmetic number, because the mean of its divisors is an integer number (25641472).

Almost surely, 2^51282943 is an apocalyptic number.

51282943 is a deficient number, since it is larger than the sum of its proper divisors (1).

51282943 is an equidigital number, since it uses as much as digits as its factorization.

51282943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 51282943 is about 7161.2110009411. The cubic root of 51282943 is about 371.5275127301.

It can be divided in two parts, 51282 and 943, that added together give a palindrome (52225).

The spelling of 51282943 in words is "fifty-one million, two hundred eighty-two thousand, nine hundred forty-three".